/Engine/Source/Runtime/MovieScene/Public/Evaluation/MovieSceneRootOverridePath.h
Return the number of generations between this path's leaf node, and the specified sequence ID
The number of generations between the two nodes. (ie, 0 where SequenceID == Leaf, 1 for Immediate parents, 2 for grandparents etc)
int32 NumGenerationsFromLeaf ( [FMovieSceneSequenceID](API\Runtime\MovieScene\FMovieSceneSequenceID) SequenceID ) const